Enhancing photoluminescence yields in lead halide perovskites by photon recycling and light out-coupling.
2016
Recombinations govern losses in solar cells. Here, Richter et al. use transient spectroscopy to evaluate how re-absorption and re-emission of photons in perovskite absorbers affect intrinsic recombination coefficients, and to differentiate between external and internal photoluminescence quantum yields.
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